CN203250686U

CN203250686U - SF6 pressure meter and density relay checking connection structure

Info

Publication number: CN203250686U
Application number: CN 201320249468
Authority: CN
Inventors: 刘亚妮; 高东林; 任军强
Original assignee: Baoji Power Supply Bureau; State Grid Corp of China SGCC
Current assignee: Baoji Power Supply Bureau; State Grid Corp of China SGCC
Priority date: 2013-05-09
Filing date: 2013-05-09
Publication date: 2013-10-23
Anticipated expiration: 2023-05-09

Abstract

The utility model provides an SF6 pressure meter and density relay checking connection structure. The structure comprises a U-shaped limiting clamp seat and a baffle which fixes a transition joint on the limiting clamp seat. The baffle is provided with a hole through which the transition joint passes. The baffle is arranged in the limiting clamp seat through a bolt provided with a pressure spring. A pressure screw is arranged on the limiting clamp seat through a screw hole. By screwing the pressure screw, the baffle is extruded to press the transition joint and a checking inflation interface. The problems of SF6 gas leakage and the deflection and the deformation of a middle rubber gasket, which are caused by excessive extruding of the transition joint and the checking inflation interface, are avoided. SF6 gas leakage is effectively avoided.

Description

A kind of SF 6Pressure gauge, density monitor verification syndeton

Technical field

The utility model relates to the power equipment field tests, is specifically related to a kind of SF ₆Pressure gauge, density monitor verification syndeton.

Background technology

SF ₆Pressure gauge, density monitor are SF ₆Monitor SF in the Switch main body ₆The critical elements that gas density relay changes, it mainly monitors SF ₆SF in the switching gas chamber ₆The situation of change of gas density, the quality of its performance directly has influence on SF ₆The security of operation of switch is according to " power equipment preventive trial rules ", each SF ₆The switch applying unit should be regularly to SF ₆Pressure gauge, density monitor carry out verification.During verification calibration equipment must and SF ₆The verification inflatable interface of switch connects can carry out verification.

As shown in Figure 1, connecting SF ₆Need to be connected with transition joint 3 by being connected baffle plate 2 during verification inflatable interface on Pressure gauge, density monitor calibration equipment and the switch.Need to tighten with the screw 1 that spanner will connect baffle plate 2 both sides during connection, also will keep simultaneously the screw stress equalization of both sides, otherwise the skew distortion occurs in the rubber washer in the middle of can making, and causes SF ₆The leakage of gas, this process have expended a large amount of time and efforts of personnel.Because the bar of transition joint both sides distance is long, personnel operation is got up very inconvenient in addition.

The utility model content

The utility model purpose is to overcome the prior art defective, and a kind of SF is provided ₆Pressure gauge, density monitor verification syndeton, SF when effectively preventing verification ₆The leakage of gas has greatly improved SF ₆The Supervision level of Pressure gauge, density monitor, and time saving and energy saving in the operating process.

For achieving the above object, the utility model is by the following technical solutions:

A kind of SF ₆Pressure gauge, density monitor verification syndeton, comprise U-shaped spacing deck, transition joint is fixed on baffle plate on the spacing deck, offer the via hole that passes through for transition joint on the baffle plate, baffle plate is installed in the spacing deck by the screw that stage clip is installed, position by stage clip defining baffle and spacing deck, pressure screw bolt is installed on the spacing deck by screw hole, by screwing pressure screw bolt extruding baffle plate transition joint and verification inflatable interface is compressed.

The described screw that stage clip is installed is installed in the baffle plate diagonal position.

By screwing pressure screw bolt extruding baffle plate transition joint and verification inflatable interface are compressed SF during verification ₆Pressure gauge, density monitor baffle plate both sides are equipped with the screw stress equalization of stage clip, avoid transition joint and verification inflatable interface extruding transition, make the intermediate rubber packing ring that the skew distortion occur, and cause SF ₆The problem of the leakage of gas is effectively avoided SF ₆The leakage of gas; Time saving and energy saving and convenient operation is installed simply; Greatly improved SF ₆The Supervision level of Pressure gauge, density monitor is SF ₆The health operation of switch provides powerful guarantee.

Description of drawings

Fig. 1 is prior art transition joint and verification inflatable interface syndeton schematic diagram;

Fig. 2 is limiting card holder structure schematic diagram of the present utility model;

Fig. 3 is baffle arrangement schematic diagram of the present utility model;

Fig. 4 is baffle plate of the present utility model and limiting card seat installation structure schematic diagram;

Fig. 5 is structural representation of the present utility model.

Embodiment

Shown in Fig. 2-4, provide a kind of SF ₆Pressure gauge, density monitor verification syndeton, comprise U-shaped spacing deck 4, the groove 5 that passes through for placing transition joint 3 and gas Delivery tube is offered at spacing deck 4 two ends, transition joint 3 is fixed on baffle plate 8 on the spacing deck 4, offer the via hole 9 that passes through for transition joint 3 on the baffle plate 8, baffle plate 8 is installed in the spacing deck 4 by the screw 12 that stage clip is installed, screw 12 is installed in spacing deck 4 outsides, stage clip is arranged between screw 12 and the spacing deck 4, the hole 7 that screw 12 passes on the spacing deck 4 is installed in the hole 10 of baffle plate 8 by screw thread, by the position of stage clip defining baffle 8 with spacing deck 4, pressure screw bolt 11 is installed on the spacing deck 4 by screw hole 6, by screwing pressure screw bolt 11 extruding baffle plates 8 transition joint 3 and verification inflatable interface is compressed.

As shown in Figure 5, further, the described screw 12 that stage clip is installed is installed in the hole 10 of baffle plate 8 diagonal positions, a hole is arranged on the upper left corner, another hole is arranged on the upper right corner, so that the both sides screw is stressed more balanced, guarantees that the skew distortion does not occur the intermediate rubber packing ring.

Claims

1. SF ₆Pressure gauge, density monitor verification syndeton, it is characterized in that: comprise U-shaped spacing deck (4), transition joint (3) is fixed on baffle plate (8) on the spacing deck (4), offer the via hole (9) that passes through for transition joint (3) on the baffle plate (8), baffle plate (8) is installed in the spacing deck (4) by the screw (12) that stage clip is installed, by the position of stage clip defining baffle (8) with spacing deck (4), pressure screw bolt (11) is installed on the spacing deck (4) by screw hole, by screwing pressure screw bolt (11) extruding baffle plate (8) transition joint (3) and verification inflatable interface is compressed.

2. SF according to claim 1 ₆Pressure gauge, density monitor verification syndeton is characterized in that: the described screw (12) that stage clip is installed is installed in baffle plate (8) diagonal position.